<template>
  <div id="my-echart" style="height:calc(100vh - 170px);with:100%"></div>
</template>


<style scoped>

</style>

<script>
import * as echarts from "echarts";
export default {
  mounted: function () {
    this.initEchart();
  },
  methods: {
    initEchart() {
      var chartDom = document.getElementById("my-echart");
      var myChart = echarts.init(chartDom);
      var option;

      option = {
        legend: {
          top: "bottom",
        },
        toolbox: {
          show: true,
          feature: {
            mark: { show: true },
            dataView: { show: true, readOnly: false },
            restore: { show: true },
            saveAsImage: { show: true },
          },
        },
        series: [
          {
            name: "面积模式",
            type: "pie",
            radius: [50, 250],
            center: ["50%", "50%"],
            roseType: "area",
            itemStyle: {
              borderRadius: 8,
            },
            data: [
              { value: 40, name: "rose 1" },
              { value: 38, name: "rose 2" },
              { value: 32, name: "rose 3" },
              { value: 30, name: "rose 4" },
              { value: 28, name: "rose 5" },
              { value: 26, name: "rose 6" },
              { value: 22, name: "rose 7" },
              { value: 18, name: "rose 8" },
            ],
          },
        ],
      };

      option && myChart.setOption(option);
    },
  },
};
</script>
